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Avinash2
Avinash2
New Member
Feb 17, 2026 10:22 AM UTC
Question

SFP

For C9300-48T-E with NM-8X connected to the Fortinet 401F
SFP-10G-SR-S is compatible on both the sides?
Both firewall and switch side....

1 reply

funkylicious
SuperUser
funkylicious
SuperUser
Feb 17, 2026 10:44 AM UTC

it will work, but it will show as Unsupported transceiver on the FGT side.

but keep in mind, if you have any kind of issues with those ports and open a Fortinet TAC support case, they will say to start by using certified/supported ones.

"jack of all trades, master of none"
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